#include<stdio.h>
int main()
{
	int grade[10]={95,85,45,87,68,91,90,55,48,88};
	int total = 0;
	int i;
	float avg;
	for(i=0;i<10;i++)
	{
		total+=grade[i];
		
	}
	avg = ((float)total/10);
	printf("the student's average score is %f\n",avg);
	return 0;
 } 
